package com.bootcamp.s3_1013.database._1018_transaction;

import java.util.LinkedList;

/**
 * @program: myClassCode
 * @description: list all null and print out.
 * @author: Keyu Li
 * @create: 2021-10-18 17:44
 **/

public class Demo5_listNull {
    public static void main(String[] args) {
        LinkedList<Object> objects = new LinkedList<>();
        objects.addLast(null);
        objects.addLast(new Object());
        System.out.println(objects);
    }
}
